AWS Certified Cloud Practitioner
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A company wants to minimize network latency between its Amazon EC2 instances. The EC2 instances do not need to be highly available. Which solution meets these requirements?
Real Exam
Community
RRitesh
A
Use EC2 instances in a single Availability Zone.
B
Use EC2 instances in multiple edge locations.
C
Use EC2 instances in the same Availability Zone but in different AWS Regions.
D
Use EC2 instances in the same edge location and the same AWS Region.
Explanation:
Explanation
To minimize network latency between EC2 instances while not requiring high availability:
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Option A (Correct): Using EC2 instances in a single Availability Zone provides the lowest network latency because all instances are within the same data center facility with direct, high-speed network connections between them.
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Option B: Using multiple edge locations would increase latency as edge locations are geographically distributed CDN points, not designed for inter-instance communication.
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Option C: Using the same Availability Zone but in different AWS Regions is contradictory - Availability Zones exist within a single AWS Region, not across multiple regions.
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Option D: Edge locations are part of Amazon CloudFront (CDN) and not where EC2 instances are deployed. EC2 instances run in Availability Zones within AWS Regions.
Key Points:
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Single Availability Zone = lowest network latency
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No high availability requirement = single AZ is acceptable
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Multiple AZs or regions would increase latency due to geographical separation
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Edge locations are for content delivery, not EC2 instance deployment
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